3v4l.org

run code in 300+ PHP versions simultaneously
<?php function mysort($a,$b){ return strlen($b)-strlen($a); } $data = array("kaushik","kaushik is","kaushik is great","is","is great","great"); usort($data,'mysort'); $current = ""; for($i=0;$i<count($data);$i++) { $current=$data[$i]; for($j=$i+1;$j<count($data);$j++) { $current=str_replace($data[$j],"",$current); } if ($current=="") { echo $current."\n"; } } ?>
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4

preferences:
266.11 ms | 405 KiB | 421 Q